1480/1380mm double wall casing japan type screw joint wall thickness 50mm used f
详细信息
1480/1380mm double wall casing japan type screw joint wall thickness 50mm used for secant pile match soilmec drill rig
980/880mm double wall casing japan type screw joint wall thickness 50mm used for secant pile match ba-er drill rig1180/1080mm double wall casing japan type screw joint wall thickness 50mm used for secant pile match san-y drill rig
1980/1880mm double wall casing japan type screw joint wall thickness 50mm used for secant pile match bau-er drill rig
1280/1280mm double wall casing japan type screw joint wall thickness 50mm used for secant pile match bau-er drill rig
780/700mm double wall casing japan type screw joint wall thickness 40mm used for secant pile match bau-er drill rig
Double walled casing which are used widely used either for their resistance and ability to ensure a flush drill string.
Single walled casing which can be used when weight reduction is required or for light works.
These both versions could be equipped with Screw type connection or Key connection
Singapore japan screw joint double wall casing , vietnam japan type screw joint , thailand janpan type screw joint
Our casing joint have two type roll joint and fore joint
